During the process of immunization it was found that-the complement-fixation reaction zone of the serum of the immunized horses was the same as that of the serum of the naturally infected horses.
在免疫过程中免疫血清和抗原与自然鼻疽患马血清和抗原呈现相同之反应域，抗原滴度不因血清不同而有所变动。
Photosynthesis contains a complex series of reactions, and carbon fixation is the core reaction of photosynthesis regulation.
光合作用包括了一系列复杂的反应，其中碳固定反应是光合作用调控的核心环节。
Photosynthesis, which involves energy of light, absorption, energy conversion, electron transfer, ATP synthesis, CO2 fixation etc. , is a complex physical and chemical reaction process.
光合作用涉及光能的吸收、能量转换、电子传递、ATP合成、CO2固定等一系列复杂的物理和化学反应过程。
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